<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        .box{
           
            font-size: 40px;
            position: relative;
            color: aqua;
            
        }
        .box span{
            position: absolute;
            animation: rotateangle .3s linear infinite;
        }
        .box span:nth-child(2){
           left:100px;
        }
        .box span:nth-child(3){
            left: 200px;
        }
       @keyframes rotateangle{
        0%{
            transform:rotate(-5deg);
        }
        20%{
            transform:rotate(0deg);
        }
        40%{
            transform:rotate(5deg);
        }
        60%{
            transform:rotate(0deg);
        }
        100%{
            transform:rotate(-5deg);
        }
       }

    </style>
</head>

<body>
    <div class="box">
        <span>能力</span>
        <span>学习</span>
        <span>助理</span>
</div>
    
</body>
</html>